Fig. 2From: Sequential activation of M1 and M2 phenotypes in macrophages by Mg degradation from Ti-Mg alloy for enhanced osteogenesisa The presence of live macrophages on Ti or Ti-0.625 Mg surfaces evaluated by calcein-AM staining and b quantitative results of cell numbers as well as c cell morphology revealed by SEM on day 1, 3 and 5. *p < 0.05 and **p < 0.01 compared to the TiBack to article page